#NASAWebb will be excellent at detecting biosignatures in white dwarf planet atmospheres. "...impressively, Webb could detect gas combinations potentially indicating biological activity on such a world in as few as 25 transits [across its star.]." That's 2 days of observing time!https://twitter.com/NASAUniverse/status/1306254799738863617 …
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Replying to @zcelticboy
Ryan MacDonald: Detecting phosphine in rocky exoplanet atmospheres would be challenging with JWST, especially at the low levels seen on Earth. But it's important we keep an open mind, as Monday's Venus finding showed. The Universe has a knack for throwing surprises our way! 2/2
11:16 AM - 16 Sep 2020
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